Initialize repository

Added basic info to get in game for like...August 2016 ;-;
It's not much but it's a start

RecRoomArchive.Models/API/Setting/Setting.cs

@@ -0,0 +1,19 @@
+using System.Text.Json.Serialization;
+
+namespace RecRoomArchive.Models.API.Setting
+{
+    /// <summary>
+    /// The players local settings and preferences
+    /// </summary>
+    public class Setting
+    {
+        /// <summary>
+        /// The key of the setting (ex: DebugGuiEnabled)
+        /// </summary>
+        [JsonPropertyName(name: "Key")] public required string Key { get; set; }
+        /// <summary>
+        /// The value related to the key (ex: true)
+        /// </summary>
+        [JsonPropertyName(name: "Value")] public required string Value { get; set; }
+    }
+}